Custom field details

Custom Field attributes

• handle (string) - The key for a contact resource, e.g. custom_1, custom_2, custom_3
• title (string) - The title of the custom field
• type (string) - The type of the custom field
• required (boolean) - Whether the custom field is required
• archived (boolean) - Whether the custom field is archived

Sparse Fields

Use the fields[custom_fields] parameter to include only specific attributes:

Include only handle and title fields

• GET /v1/custom_fields/123?fields[custom_fields]=handle,title

Response will include only the specified fields